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How to generate a new Guid in stored procedure?
...ord", "Mustang")
if you want to reuse the uuid you can do it like this:
set @id=UUID();
insert into cars
(id, Make, Model)
values(@id, "Ford", "Mustang");
select @id;
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How do I add a margin between bootstrap columns without wrapping [duplicate]
...div class="col-md-6">
<div class="col-md-12">
Set room heater temperature
</div>
</div>
<div class="col-md-6">
<div class="col-md-12">
Set room heater temperature
</div>
</div>
</div&g...
Appropriate hashbang for Node.js scripts
...cause the cool kids are doing it, anyone who works with Node on Ubuntu has set up a /usr/bin/node as a symlink to nodejs. There are highly-viewed instructions on doing this here on Stack Overflow, and all over the web. There was even the nodejs-legacy package whose entire purpose was to create this ...
How to indicate param is optional using inline JSDoc?
...onal arguments worked. If you want the default to be undefined you have to set it explicitly as well though, otherwise the argument won't be marked as optional (even if it preceded by already optional arguments):
function demo(
/** @type {String} */ mandatory,
/** @type {Number} */ optional1 = ...
How to write a Ruby switch statement (case…when) with regex and backreferences?
...code), you could even load your regexes from a config file or choose which set of them you wanted at run time.
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CSS media queries: max-width OR max-height
...(and NOT a full media rule--meaning that it only negates entries between a set of commas and not the full media rule following the @media declaration).
Similarly, note that the not keyword negates media queries, it cannot be used to negate an individual feature query within a media query.*
@media...
How to disable google translate from html in chrome
...k for all content in your site (including that which is not HTML), you can set the Content-Language header in your response (source) to the appropriate language, (in my case, en-US).
This has the benefit here is that it will "disable" the offer to translate the page for you (because it will know t...
'sudo gem install' or 'gem install' and gem locations
...local ' and ' gem list --local ' give me differing results. My gem path is set to my home folder and only contains the gems from ' gem list --local '.
...
How to create a hash or dictionary object in JavaScript [duplicate]
.... Maps support any values as keys, so you must use the methods .get(key), .set(key, value) and .has(key).
var m = new Map();
var key1 = 'key1';
var key2 = {};
var key3 = {};
m.set(key1, 'value1');
m.set(key2, 'value2');
console.assert(m.has(key2), "m should contain key2.");
console.a...
How to deal with “data of class uneval” error from ggplot2?
...
when you add a new data set to a geom you need to use the data= argument. Or put the arguments in the proper order mapping=..., data=.... Take a look at the arguments for ?geom_line.
Thus:
p + geom_line(data=df.last, aes(HrEnd, MWh, group=factor(...